4.1 Article

K-alpha conversion efficiency measurements for X-ray scattering in inertial confinement fusion plasmas

Journal

HIGH ENERGY DENSITY PHYSICS
Volume 3, Issue 1-2, Pages 156-162

Publisher

ELSEVIER
DOI: 10.1016/j.hedp.2007.02.012

Keywords

X-ray spectra; Conversion efficiency; Compton scattering; Dense plasmas

Funding

  1. U.S. Department of Energy by the University of California Lawrence Livermore National Laboratory [W-7405-ENG-48]
  2. Laboratory Directorate Research and Development grant [05-ERI-003]
  3. Lawrence Livermore National Laboratory Student Employment Graduate Fellowship program
  4. Alexander-von-Humboldt foundation

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The conversion efficiency of ultra short-pulse laser radiation to K-a X-rays has been measured for various chlorine-containing targets to be used as X-ray scattering probes of dense plasmas. The spectral and temporal properties of these sources will allow spectrally-resolved X-ray scattering probing with picosecond temporal resolution required for measuring the plasma conditions in inertial confinement fusion experiments. Simulations of X-ray scattering spectra from these plasmas show that fuel capsule density, capsule ablator density, and shock timing information may be inferred. Published by Elsevier Ltd.

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